Table 4 Carbon balance in fed-batch fermentations under different conditions
From: Production of d-lactate from glucose using Klebsiella pneumoniae mutants
Substrates or metabolites | Aeration rate | |||
|---|---|---|---|---|
0.5Â vvm (mmol) | 1.0Â vvm (mmol) | 1.5Â vvm (mmol) | 2.5Â vvm (mmol) | |
Glucose | 3443.3 | 4163.3 | 4113.3 | 4600.0 |
Biomass | 96.9 | 93.8 | 91.7 | 161.5 |
d-Lactate | 2696.3 | 3153.3 | 3280.0 | 4170.0 |
Acetate | 170.3 | 198.7 | 206.7 | 230.0 |
Succinate | 102.7 | 72.5 | 54.2 | 37.3 |
Ethanol | 30.4 | 22.2 | 23.9 | 10.4 |
Lactate recovery (%) | 78.3 | 75.7 | 79.7 | 90.6 |
Carbon recovery (%) | 89.9 | 85.1 | 88.9 | 100.2 |